CN106980056A - A kind of wrong number on-line detecting system of the SCADA remote measurements based on steady state data - Google Patents
A kind of wrong number on-line detecting system of the SCADA remote measurements based on steady state data Download PDFInfo
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G06F11/0736—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in functional embedded systems, i.e. in a data processing system designed as a combination of hardware and software dedicated to performing a certain function
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Abstract
The present invention relates to a kind of wrong number on-line detecting system of SCADA remote measurements based on steady state data, its technical characterstic is:Including data processing module, topological data module, node balance inspection module, line balance inspection module, valuation computing module and online alarm module.The present invention provides effective and feasible method for the online accurate detection of the wrong data of remote measurement, it can be applied to scheduling station, the system as D5000 systems a part, utilize stable state telemetry, and the function of realizing the online telemetry of inspection in real time is examined by node balance and line balance, on-line checking that can be promptly and accurately simultaneously carries out alarm after finding the wrong data and bad measuring point of telemetry, ensure electric network swim, short circuit and stabilization etc. to calculate and reliable telemetry is provided, improve the computational accuracy of follow-up senior application.
Description
Technical field
The invention belongs to power system SCADA telemetry online measuring techniques field, it is related to based on stable state metric data
Processing, the SCADA telemetry on-line checkings of node balance and line balance principle, it is especially a kind of based on steady state data
SCADA remote measurements mistake number on-line detecting system.
Background technology
SCADA telemetries are the basic datas of power network, and directly decide electric network swim, short circuit and the calculating such as stable can
By property, error can not.Once it is wrong, the computational accuracy of follow-up senior application will certainly be influenceed.
Because measurement equipment is numerous, communication system distance is remote and complicated in power system, month after month run throughout the year, it is unavoidable to occur
Problem, is difficult to find in time again in operation;Measurement equipment certainly will cause telemetry wrong once damaging or communication local anomaly
By mistake, otherwise doomed dead (data are uncertain constant, or are varied less), or (error is more than 3 times of standard errors to wrong number
Measuring value);Doomed dead or wrong number not only influences state estimation result, and can pollute a sheet of, have a strong impact on later stage short circuit calculation,
The precision of the senior computation such as Load flow calculation and stability Calculation.Buried for super-pressure long distance power transmission, trans-regional interconnected network
Hidden danger, it is therefore necessary to find and handle in time.
In real work, it is frequently utilized that state estimation to find and correct the wrong data of remote measurement and bad measuring point, telemetry, mould
Type and device parameter are the three elements that state estimation is calculated.Device parameter is missed mostly from actual measurement or theoretical calculation in reality
Difference is larger;Temporal Data is mixed into SCADA telemetries, random disturbances are very big, and clock is seriously asynchronous;It is additionally, since remote
Cheng Yaoxin fails whole realizations, and partial switch, disconnecting link and load tap changer still need to manual maintenance, and remote signalling data refreshes delayed;
Problem above has had a strong impact on the precision of state estimation calculating, thus the under-enumeration of the wrong number of remote measurement and bad measuring point, fail to judge it is serious, even
Judge by accident, the problem fails effective solution so far.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of SCADA remote measurements based on steady state data are wrong
Number on-line detecting systems, can in line checking alarm carried out after bad measuring point and bad data accurately and timely, improve detection
Point precision and accuracy.
The present invention solves its technical problem and takes following technical scheme to realize:
A kind of wrong number on-line detecting system of the SCADA remote measurements based on steady state data, including the data processing mould being sequentially connected
Block, topological data module, node balance inspection module, line balance inspection module, valuation computing module and online alarm module;
The data processing module is used for reception province and adjusts the SCADA telemetries of D5000 systems front end processor issue to carry out surely
State processing, rejects remote measurement bad data generation steady state data;
The topological data module is used for the topologies provided according to CIME model files data, each topology section of generation
The device data collection and device parameter data set of point institute attached device, and by the device data collection and device parameter data set export to
Node balance inspection module and line balance inspection module, are balanced as decision node and the input data of line balance calculating is believed
Breath;
Steady state data and topological data the module generation that the node balance inspection module is generated according to data processing module
Device data collection and device parameter data set, calculate successively each node general power and, and according to the threshold value of setting, judge
General power and whether transfinite, if transfinited, judge that the node is uneven, for bad node, and uneven node topology is numbered
Exported with title to line balance inspection module;
Uneven node topology numbering and open up that the line balance inspection module is provided according to node balance inspection module
The device data collection of data module offer is provided, all line facilities that uneven node is connected are inquired about first, then again one by one
Calculate and judge the line balance situation of uneven all circuits of node, and then find out bad measuring point, and by unbalanced line with
And the numbering and title of bad measuring point are exported to valuation computing module;
The valuation computing module is according to the assay of node balance inspection module and line balance inspection module, to inspection
The wrong data found, doomed dead and bad data carry out valuation, and note down unbalanced node and circuit and bad measuring point title and
Numbering;
The online alarm module receives the uneven node topology numbering and title, imbalance of valuation computing module output
The numbering and title of circuit, the numbering of bad measuring point and title, valuation data and the wrong data checked, doomed dead and bad data, lead to
Cross display screen and show information above, and sound and light alarm, remind operator, while error message is generated, together with stable state telemetry
D5000 subsequent applications systems are issued together.
Moreover, the data processing module is by the data resolution module being sequentially connected, pretreatment module and steady state process mould
Block is constituted;
(1) data resolution module receives the SCADA telemetry E formatted files for saving and adjusting the issue of D5000 systems front end processor, and
By the parsing of the data such as P, Q, U, I, store in a binary format in calculator memory;
(2) pretreatment module carries out scale conversion first to the telemetry being resolved in internal memory, then carries out low pass filtered
Ripple or double sampling, LPF, the number to being not up to sample frequency lower limit are carried out to the sampled data more than the sample frequency upper limit
According to progress double sampling processing so that sampled data had not only met the lower limit of sample frequency but also met upper limit requirement;
(3) steady state process module carries out steady state process to the telemetry for meeting sample frequency bound, is sentenced using t distributions
Disconnected transient state and stable state, are averaging in the stable state period to steady state data, and the data of transient state period, which are calculated, forces component to do steady-state value.
Moreover, the topological data module is by the CIME document analysis module and topological node statistical module group that are sequentially connected
Into;
(1) CIME document analysis module parsing CIME model files, generate internal memory binary file;
(2) topologies that topological node statistical module is provided according to CIME model files generate each topological node and connected
The device data collection and device parameter data set of equipment.
Moreover, the node balance inspection module is made up of the data conversion module and inspection module being sequentially connected;
(1) the model data information that data conversion module is provided according to topological data module, steady state process module is exported
The steady state data towards measuring point be converted into the facility information of object-oriented;
(2) inspection module is used to complete node balance calculating, and the object-oriented that is exported according to data conversion module is set
Standby information, calculates each node general power summation, is balanced analysis, and according to the threshold value of setting, judge general power successively
Whether transfinite, if transfinited, judge that the node is uneven, for bad node, and uneven node topology is numbered and title
Export to line balance inspection module.
Calculate according to equation below and judge whether each node balances:
|∑Pm(tk)|/Pb≤δP
|∑Qm(tk)|/Qb≤δQ
In above formula, tkFor section, m is that topological node connects number of devices, Pb、QbFor power reference value, δP、δQTo give door
Limit.
Moreover, the line balance inspection module is made up of the enquiry module and balance inspection module being sequentially connected;
(1) the uneven node serial number that enquiry module is provided according to inspection module inquires about the institute that the uneven node is connected
There is line facility;
(2) balance check module calculates and judges the balance of uneven all circuits of node one by one, its specific meter
Calculation method is to calculate line loss and admittance loss first, is then summed with circuit two ends steady state power data, and according to setting
Threshold value, judge whether to transfinite, if transfinited, judge that this circuit imbalance has wrong data, it is then each according to circuit
The affiliated node of measuring point checks whether balance, and unbalanced node side is bad measuring point, and by the volume of unbalanced line and bad measuring point
Number and title export to valuation computing module;
Judge that the data that line balance is calculated include:
1. left side power:Pi、Qi;
2. right side power:Pj、Qj;
3. half admittance of left side loss:QCi=Ui × Ui × B/2;
4. half admittance of right side loss:QCj=Uj × Uj × B/2;
5. line loss:
Then line balance is calculated and had:
|Pi+Pj-PR|/Pb≤δP
|Qi+Qj+QCi+QCj-QR|/Qb≤δQ
In above formula, Pb、QbFor power reference value, δ P, δ Q are given thresholding.
Moreover, the valuation computing module is made up of the estimation block and logging modle being sequentially connected;
(1) estimation block is exported according to node balance inspection module and line balance inspection module uneven node, no
The numbering of balanced circuit and bad measuring point, is estimated using least square method to its corresponding wrong data, doomed dead evidence and bad data
Value is calculated;
(2) logging modle is to the topology numbering and title, the numbering of unbalanced line and name of the uneven node checked
Claim, the numbering of bad measuring point and corresponding wrong data, doomed dead and bad data are recorded, while recording its estimated value.
Moreover, the online alarm module is made up of the display module being sequentially connected, alarm module and error message module;
(1) display module receives the uneven node topology numbering and title, unbalanced line of valuation computing module output
Numbering and title, the numbering of bad measuring point and title, valuation data and corresponding wrong data, doomed dead and bad data, and by aobvious
Display screen shows information above;
(2) alarm module starts sound and light alarm, reminds operator;
(3) error message module generation error message, is issued after state estimation and D5000 together with stable state telemetry
Continuous application system.
Advantages and positive effects of the present invention are:
1st, the one kind that proposes of the invention first carries out steady state process using steady state process technology to SCADA telemetries, picks
Requirement except the Temporal Data in SCADA telemetries, reduction to synchronised clock, then recycles node balance and line balance
The wrong number on-line detecting system of SCADA remote measurement of the inspection technology to detect telemetry and method, can be accurately and timely check
Bad measuring point and bad data, improve test point data precision and accuracy.
2nd, the wrong number on-line detecting system of a kind of SCADA remote measurements based on steady state data of the invention, is the wrong data of remote measurement
Online accurate detection provides effective and feasible method, can be applied to scheduling station, and the system is used as one of D5000 systems
Point, examine the online work(for checking telemetry in real time of realization using stable state telemetry, and by node balance and line balance
Can, on-line checking that can be promptly and accurately simultaneously carries out alarm after finding the wrong data and bad measuring point of telemetry, it is ensured that be
Electric network swim, short circuit and stabilization etc., which are calculated, provides reliable telemetry, improves the computational accuracy of follow-up senior application.
3rd, the wrong number on-line detecting system of SCADA remote measurements of the invention is distant to SCADA first with steady state process patented technology
Survey data and carry out steady state process, reject remote measurement bad data, reduction random disturbances, synchrodata clock improve the essence of telemetry
Degree;Then by node balance and line balance inspection technology, bad measuring point and wrong data can accurately, timely be checked;Most
Valuation is carried out to the bad data detected, doomed dead evidence, remote signalling mistake afterwards and recorded.
Brief description of the drawings
Fig. 1 is the wrong number on-line detecting system connection diagram of SCADA remote measurements of the present invention;
Fig. 2 is the wrong number on-line detecting system of SCADA remote measurements and D5000 system interface connection diagrams of the present invention;
Fig. 3 is the composition structured flowchart of the data processing module of the present invention;
Fig. 4 is the composition structured flowchart of the topological data module of the present invention;
Fig. 5 is the composition structured flowchart of the node balance inspection module of the present invention;
Fig. 6 is the composition structured flowchart of the line balance inspection module of the present invention;
Fig. 7 is the composition structured flowchart of the valuation computing module of the present invention;
Fig. 8 is the composition structured flowchart of the online alarm module of the present invention;
Fig. 9 is the line equivalent schematic diagram of the present invention;
Figure 10 is the system connection signal of the wrong number on-line detecting system of SCADA remote measurements of the embodiment of the present invention
Figure.
Embodiment
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing:
A kind of SCADA remote measurements based on steady state data wrong number on-line detecting system, as shown in figure 1, including being sequentially connected
Data processing module 1, topological data module 2, node balance inspection module 3, line balance inspection module 4, valuation computing module 5
With online alarm module 6;
The data processing module 1 is used for reception province and adjusts the SCADA telemetries of D5000 systems front end processor issue to carry out surely
State processing, rejects remote measurement bad data generation steady state data.
The data processing module 1 is by the data resolution module 11 being sequentially connected, pretreatment module 12 and steady state process mould
Block 13 is constituted.
(1) data resolution module 11 receives the SCADA telemetry E formatted files for saving and adjusting the issue of D5000 systems front end processor,
And parse the data such as P, Q, U, I, store in a binary format in calculator memory.
(2) telemetry that 12 pairs of pretreatment module is resolved in internal memory carries out scale conversion first, then carries out low pass
Filtering or double sampling, carry out LPF, to being not up to sample frequency lower limit to the sampled data more than the sample frequency upper limit
Data carry out double sampling processing so that sampled data had not only met the lower limit of sample frequency but also met upper limit requirement.
(3) 13 pairs of steady state process module meets the telemetry progress steady state process of sample frequency bound, and its principle is
Based on steady state process technology in the prior art (continuous physical quantity measuring equipment and method ZL200910158370.7, alternating current thing
Manage measurement and data acquisition device and method ZL CN201110161132.9, continuous physical measuring device and method
The steady state process method and system ZL201210407925.9 of ZL200910158375.X, physics volume digital measuring or remote measurement), profit
Judge transient state and stable state with t distributions, steady state data is averaging in the stable state period, the data of transient state period, which are calculated, forces component to do
Steady-state value.
The topological data module 2 is used for the topologies provided according to CIME model files data, each topology of generation
The device data collection and device parameter data set of node institute attached device (including circuit, transformer and load etc.), and by the equipment
Data set and device parameter data set are exported to node balance inspection module 3 and line balance inspection module 4, are used as decision node
The input data information that balance and line balance are calculated.
The topological data module 2 is by 15 groups of CIME document analysis module 14 and topological node statistical module being sequentially connected
Into.
(1) parsing of CIME document analysis module 14 CIME model files, generate internal memory binary file.
(2) topologies that topological node statistical module 15 is provided according to CIME model files generate each topological node institute
The device data collection and device parameter data set of attached device (including circuit, transformer, load etc.).
The steady state data and topological data module 2 that the node balance inspection module 3 is generated according to data processing module 1 are given birth to
Into device data collection and device parameter data set, each node general power and (node injecting power and node are defeated is calculated successively
Go out power direction on the contrary, tape symbol is summed), and according to the threshold value of setting, judge general power and whether transfinite, if transfinited,
Then judge that the node is uneven, for bad node, and uneven node topology numbering and title are exported to line balance examine mould
Block 4.
The node balance inspection module 3 is made up of the data conversion module 16 and inspection module 17 being sequentially connected.
(1) data conversion module 16 is provided according to topological data module 2 model data information (topological relation and equipment ginseng
Number), the steady state data towards measuring point that steady state process module 13 is exported is converted into the facility information of object-oriented.
(2) inspection module 17 is used to complete node balance calculating, and the object-oriented exported according to data conversion module 16
Facility information, each node general power summation is calculated successively, analysis is balanced, and according to the threshold value of setting, judges total
Power and whether transfinite, if transfinited, judge that the node is uneven, for bad node, and by uneven node topology numbering and
Title is exported to line balance inspection module 4.
In theory, all devices that node is connected, including circuit, transformer, load power sum should be equal to 0, examine
Consider the influence of equipment loss and measurement error, give a uneven threshold value, calculate according to equation below and judge each
Whether node balances:
|∑Pm(tk)|/Pb≤δP (1)
|∑Qm(tk)|/Qb≤δQ (2)
In above formula, tkFor section, m is that topological node connects number of devices, Pb、QbFor power reference value, δP、δQTo give door
Limit.
Uneven node topology numbering that the line balance inspection module 4 is provided according to node balance inspection module 3 and
The device data collection that topological data module 2 is provided, inquires about all line facilities that uneven node is connected first, then again by
Bar calculates and judges the line balance situation of uneven all circuits of node, and then finds out bad measuring point, and by unbalanced line
And the numbering and title of bad measuring point are exported to valuation computing module 5.
The line balance inspection module 4 is made up of the enquiry module 18 and balance inspection module 19 being sequentially connected.
(1) the uneven node serial number that enquiry module 18 is provided according to inspection module 17 is inquired about the uneven node and connected
All line facilities.
(2) balance check module 19 calculates and judges the balance of uneven all circuits of node one by one, and its is specific
Computational methods are to calculate line loss and admittance loss first, are then summed with circuit two ends steady state power data, and according to setting
Fixed threshold value, judges whether to transfinite, if transfinited, and judges that this circuit imbalance has wrong data, then every according to circuit
The individual affiliated node of measuring point checks whether balance, and unbalanced node side is bad measuring point, and by unbalanced line and bad measuring point
Numbering and title are exported to valuation computing module 5.
In the present embodiment, line equivalent schematic diagram is as shown in figure 9, the data that line balance is calculated include:
1. left side power:Pi、Qi;
2. right side power:Pj、Qj;
3. half admittance of left side loss:QCi=Ui × Ui × B/2;
4. half admittance of right side loss:QCj=Uj × Uj × B/2;
5. line loss:
Have so line balance is calculated:
|Pi+Pj-PR|/Pb≤δP (3)
|Qi+Qj+QCi+QCj-QR|/Qb≤δQ (4)
In above formula, Pb、QbFor power reference value, δ P, δ Q are given thresholding.
Valuation computing module 5 is according to the assay of node balance inspection module 3 and line balance inspection module 4, to inspection
The wrong data found, doomed dead and bad data carry out valuation, and note down unbalanced node and circuit and bad measuring point title and
Numbering;
The valuation computing module 5 is made up of the estimation block 20 and logging modle 21 being sequentially connected.
(1) the uneven section that estimation block 20 is exported according to node balance inspection module 3 and line balance inspection module 4
The numbering of point, unbalanced line and bad measuring point, is entered using least square method to its corresponding wrong data, doomed dead evidence and bad data
Row valuation is calculated.
(2) the uneven node that 21 pairs of logging modle is checked topology numbering and title, the numbering of unbalanced line and
Title, the numbering of bad measuring point and corresponding wrong data, doomed dead and bad data are recorded, while recording its estimated value.
The online alarm module 6 receives the uneven node topology numbering and title, injustice of the output of valuation computing module 5
The numbering and title, the numbering of bad measuring point and title, valuation data and the wrong data checked, doomed dead and bad data of weighing apparatus circuit,
Information above, and sound and light alarm are shown by display screen, operator is reminded, while error message is generated, together with stable state remote measurement number
According to issuing D5000 subsequent applications systems together.
The online alarm module 6 is by 24 groups of the display module 22 being sequentially connected, alarm module 23 and error message module
Into.
(1) display module 22 receives the uneven node topology numbering and title, unbalanced line of the output of valuation computing module 5
The numbering and title on road, the numbering of bad measuring point and title, valuation data and corresponding wrong data, doomed dead and bad data, and pass through
Display screen shows information above.
(2) alarm module 23 starts sound and light alarm, reminds operator.
(3) generation of error message module 24 error message, state estimation and D5000 are issued together with stable state telemetry
Subsequent applications system.
The interface of D5000 scheduling stations system and the wrong number on-line detecting system of SCADA remote measurements, as shown in figs. 2 and 10, bag
Include real time data area 7, state estimation area 9 and the real-time EMS EMSs 10 of D5000.It is real in former D5000 scheduling stations system
When data field 7 receive and the deposition state of state estimation area 9 is directly offered after the telemetry that transformer station's collecting device is reported at equal intervals estimate
Meter, which is calculated, to be used.The present invention by the wrong number on-line detecting system 8 of SCADA remote measurements be serially connected in real time data area 7 and state estimation area 9 it
Between, the telemetry that real time data area 7 is received issues the wrong number on-line detecting system 8 of SCADA remote measurements first, through the detection of wrong number and
Valuation issues state estimation area 9 again after calculating, and realizes the automation of the wrong number on-line detecting system of SCADA remote measurements and power scheduling
The online real-time interface of program.
State estimation module in the state estimation area of D5000 scheduling station systems include ftp server receiving module and
State estimation computing module is constituted.
Wherein ftp server receiving module receive at equal intervals the wrong number on-line detecting system output of remote measurement handle well it is high-precision
Stable state metric data E files are spent, the pattern of the input data for being parsed into state estimation area standard are used to state estimation computing module,
The part that state estimation calculation procedure belongs to the real-time EMS EMSs of D5000 is the standardization program of D5000 systems.
The innovative point of the present invention is:
The wrong number on-line detecting system of the SCADA remote measurements of the present invention, it is using steady state data treatment technology that telemetry is real-time
Steady state process, using it is same when discontinuity surface steady state data, by node balance and line balance inspection technology, can realize pair
The accurate detection of remote measurement mistake data and bad measuring point.
(1) present invention is based on steady state process technology, and node balance and line balance are realized to SCADA remote measurements before examining
Data carry out steady state process, reject remote measurement bad data, reduction random disturbances, synchrodata clock improve the precision of telemetry.
(2) steady state data of discontinuity surface, passes through node balance and line balance inspection technology, energy when the present invention utilizes same
Enough accurate detections realized to the wrong data of remote measurement and bad measuring point.
(3) present invention realizes the wrong data detection system of SCADA remote measurements in the online of D5000 power dispatching automation programs
Using.
It is emphasized that embodiment of the present invention is illustrative, rather than it is limited, therefore present invention bag
Include and be not limited to embodiment described in embodiment, it is every by those skilled in the art's technique according to the invention scheme
The other embodiment drawn, also belongs to the scope of protection of the invention.
Claims (7)
1. a kind of wrong number on-line detecting system of the SCADA remote measurements based on steady state data, it is characterised in that:Including the number being sequentially connected
According to processing module, topological data module, node balance inspection module, line balance inspection module, valuation computing module and online
Alarm module;
The data processing module, which is used to receive to save, adjusts the SCADA telemetries of D5000 systems front end processor issue to carry out at stable state
Reason, rejects remote measurement bad data generation steady state data;
The topological data module is used for the topologies provided according to CIME model files data, generates each topological node institute
The device data collection and device parameter data set of attached device, and the device data collection and device parameter data set are exported to node
Balance check module and line balance inspection module, the input data information calculated with line balance is balanced as decision node;
What the steady state data and topological data module that the node balance inspection module is generated according to data processing module were generated sets
Standby data set and device parameter data set, calculate successively each node general power and, and according to the threshold value of setting, judge total work
Rate and whether transfinite, if transfinited, judge that the node is uneven, for bad node, and uneven node topology is numbered and name
Claim output to line balance inspection module;
Uneven node topology numbering and topological Numbers that the line balance inspection module is provided according to node balance inspection module
The device data collection provided according to module, inquires about all line facilities that uneven node is connected, then calculates one by one again first
And judge the line balance situation of uneven all circuits of node, and then find out bad measuring point, and by unbalanced line and bad
The numbering and title of measuring point are exported to valuation computing module;
The valuation computing module is according to the assay of node balance inspection module and line balance inspection module, to checking
Wrong data, doomed dead and bad data carries out valuation, and notes down the title and numbering of unbalanced node and circuit and bad measuring point;
The online alarm module receives the uneven node topology numbering and title, unbalanced line of valuation computing module output
Numbering and title, the numbering of bad measuring point and title, valuation data and the wrong data checked, doomed dead and bad data, by aobvious
Display screen shows information above, and sound and light alarm, reminds operator, while error message is generated, together with stable state telemetry
Issue D5000 subsequent applications systems.
2. a kind of wrong number on-line detecting system of SCADA remote measurements based on steady state data according to claim 1, its feature exists
In:The data processing module is made up of the data resolution module being sequentially connected, pretreatment module and steady state process module;
(1) data resolution module receives the SCADA telemetry E formatted files for saving and adjusting the issue of D5000 systems front end processors, and by P,
The data such as Q, U, I are parsed, and are stored in a binary format in calculator memory;
(2) pretreatment module carries out scale conversion first to the telemetry being resolved in internal memory, then carry out LPF or
Double sampling, carries out LPF to the sampled data more than the sample frequency upper limit, the data for being not up to sample frequency lower limit is entered
Row double sampling processing so that sampled data had not only met the lower limit of sample frequency but also met upper limit requirement;
(3) steady state process module carries out steady state process to the telemetry for meeting sample frequency bound, judges temporary using t distributions
State and stable state, are averaging in the stable state period to steady state data, and the data of transient state period, which are calculated, forces component to do steady-state value.
3. the wrong number on-line detecting system of a kind of SCADA remote measurements based on steady state data according to claim 1 or 2, it is special
Levy and be:The topological data module is made up of the CIME document analysis module and topological node statistical module being sequentially connected;
(1) CIME document analysis module parsing CIME model files, generate internal memory binary file;
(2) topologies that topological node statistical module is provided according to CIME model files generate each topological node institute attached device
Device data collection and device parameter data set.
4. the wrong number on-line detecting system of a kind of SCADA remote measurements based on steady state data according to claim 1 or 2, it is special
Levy and be:The node balance inspection module is made up of the data conversion module and inspection module being sequentially connected;
(1) the model data information that data conversion module is provided according to topological data module, the face that steady state process module is exported
The facility information of object-oriented is converted into the steady state data of measuring point;
(2) inspection module is used to complete node balance calculating, and the equipment letter of the object-oriented exported according to data conversion module
Breath, calculates each node general power summation, is balanced analysis successively, and according to the threshold value of setting, judges general power and be
It is no to transfinite, if transfinited, judge that the node is uneven, for bad node, and uneven node topology numbering and title are exported
To line balance inspection module;
Calculate according to equation below and judge whether each node balances:
|∑Pm(tk)|/Pb≤δP
|∑Qm(tk)|/Qb≤δQ
In above formula, tkFor section, m is that topological node connects number of devices, Pb、QbFor power reference value, δP、δQTo give thresholding.
5. the wrong number on-line detecting system of a kind of SCADA remote measurements based on steady state data according to claim 1 or 2, it is special
Levy and be:The line balance inspection module is made up of the enquiry module and balance inspection module being sequentially connected;
(1) to inquire about the institute that the uneven node connected wired for the uneven node serial number that enquiry module is provided according to inspection module
Pipeline equipment;
(2) balance check module calculates and judges the balance of uneven all circuits of node one by one, its specific calculating side
Method is to calculate line loss and admittance loss first, is then summed with circuit two ends steady state power data, and according to the door of setting
Limit value, judges whether to transfinite, if transfinited, and judges that this circuit imbalance has wrong data, then according to each measuring point of circuit
Affiliated node checks whether balance, and unbalanced node side is bad measuring point, and by the numbering of unbalanced line and bad measuring point and
Title is exported to valuation computing module;
Judge that the data that line balance is calculated include:
1. left side power:Pi、Qi;
2. right side power:Pj、Qj;
3. half admittance of left side loss:QCi=Ui × Ui × B/2;
4. half admittance of right side loss:QCj=Uj × Uj × B/2;
5. line loss:
Then line balance is calculated and had:
|Pi+Pj-PR|/Pb≤δP
|Qi+Qj+QCi+QCj-QR|/Qb≤δQ
In above formula, Pb、QbFor power reference value, δ P, δ Q are given thresholding.
6. the wrong number on-line detecting system of a kind of SCADA remote measurements based on steady state data according to claim 1 or 2, it is special
Levy and be:The valuation computing module is made up of the estimation block and logging modle being sequentially connected;
(1) estimation block is according to node balance inspection module and the uneven node of line balance inspection module output, imbalance
The numbering of circuit and bad measuring point, valuation meter is carried out using least square method to its corresponding wrong data, doomed dead evidence and bad data
Calculate;
(2) logging modle is to the topology numbering and title, the numbering of unbalanced line and title of the uneven node that checks, bad
The numbering of measuring point and corresponding wrong data, doomed dead and bad data are recorded, while recording its estimated value.
7. the wrong number on-line detecting system of a kind of SCADA remote measurements based on steady state data according to claim 1 or 2, it is special
Levy and be:The online alarm module is made up of the display module being sequentially connected, alarm module and error message module;
(1) display module receives the uneven node topology numbering and title, the volume of unbalanced line of valuation computing module output
Number and title, the numbering of bad measuring point and title, valuation data and corresponding wrong data, doomed dead and bad data, and pass through display screen
Show information above;
(2) alarm module starts sound and light alarm, reminds operator;
(3) error message module generation error message, issues state estimation and D5000 together with stable state telemetry and subsequently should
Use system.
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